Long-Term Relationships between the Marine Environment, Krill and Salps in the Southern Ocean

Table 3

Mean abundance (ind.1000 m^-3) of Antarctic krill and salps around the Elephant Island, Southern Ocean. Sources: [23, 44]. nd: no data.

Field season	Antarctic krill	Salps
1975-76	nd	862
1976-77	nd	nd
1977-78	133	4
1978-79	nd	nd
1979-80	nd	nd
1980-81	50	24
1981-82	511	25
1982-83	91	nd
1983-84	67	168
1984-85	12	42
1985-86	nd	80
1986-87	nd	nd
1987-88	67	1
1988-89	42	200
1989-90	15	3489
1990-91	5	nd
1991-92	25	94
1992-93	27	1400
1993-94	29	714
1994-95	9	18
1995-96	95	26
1996-97	35	160
1997-98	78	675
1998-99	13	173
1999-2000	11	415
2000-01	22	278
2001-02	98	245
2002-03	84	41
2003-04	32	79
2004-05	18	491
2005-06	13	24